blob: 70c4b210d3a7bad6eb8f87c2a54b105947870e55 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
|
// Make sure that trying to access `TryInto`, `TryFrom`, `FromIterator` in pre-2021 mentions
// Edition 2021 change
// edition:2018
fn test() {
let _i: i16 = 0_i32.try_into().unwrap();
//~^ ERROR no method named `try_into` found for type `i32` in the current scope
//~| NOTE method not found in `i32`
//~| NOTE 'std::convert::TryInto' is included in the prelude starting in Edition 2021
let _i: i16 = TryFrom::try_from(0_i32).unwrap();
//~^ ERROR failed to resolve: use of undeclared type
//~| NOTE use of undeclared type
//~| NOTE 'std::convert::TryFrom' is included in the prelude starting in Edition 2021
//~| NOTE 'core::convert::TryFrom' is included in the prelude starting in Edition 2021
let _i: i16 = TryInto::try_into(0_i32).unwrap();
//~^ ERROR failed to resolve: use of undeclared type
//~| NOTE use of undeclared type
//~| NOTE 'std::convert::TryInto' is included in the prelude starting in Edition 2021
//~| NOTE 'core::convert::TryInto' is included in the prelude starting in Edition 2021
let _v: Vec<_> = FromIterator::from_iter(&[1]);
//~^ ERROR failed to resolve: use of undeclared type
//~| NOTE use of undeclared type
//~| NOTE 'std::iter::FromIterator' is included in the prelude starting in Edition 2021
//~| NOTE 'core::iter::FromIterator' is included in the prelude starting in Edition 2021
}
fn main() {
test();
}
|
